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Chemical Abundances of Bright Giants in the Mildly Metal-Poor Globular Cluster M4
Inese I. Ivans
We present a chemical composition analysis of three dozen giant stars in the nearby ``CN-bimodal'' mildly metal-poor (<[Fe/H]> = -1.18) globular cluster M4. The analysis combined t…
A Search for Chemical Signatures of Galactic Mergers
Inese I. Ivans, Bruce Carney, Luisa de Almeida +1
We present preliminary abundance analyses of a group of high-velocity metal-poor stars. This report describes our work in progress. We examine the derived abundances in the context…
Star-to-Star Abundance Variations among Bright Giants in the Mildly Metal-Poor Globular Cluster M4
Inese I. Ivans, Christopher Sneden, Robert P. Kraft +5
We present a chemical composition analysis of 36 giants in the nearby mildy metal-poor (<[Fe/H]> = -1.18) "CN-bimodal" globular cluster M4. Confronted with a cluster that has large…
V(RI)sub(c) Photometry of Cepheids in the Magellanic Clouds
T. Barnes, I. Ivans, J. Martin +2
We present V(RI)sub data for thirteen Cepheids in the Large Magellanic Cloud ans fifty-five in each wavelength band. The median uncertainty in the photometry iy Moffett, Gieren & B…